How to manage a society, according to an anthropologist.
Concur. Agile engineering relies on rituals to actualize a self-organized culture. It is not even a matter of dictating anything... just bringing people together on a consistent schedule, repeating the same series of activities and sharing the same cognitive models, creates cohesion and this improves efficiency, reducing the need for ongoing communication and making those intervening interaction stronger due to the shared context.
The more notably successful modern nations also share a high degree of internal consistency v.a.v. religious habits, stable population centers with established cadences, and the like. Not necessarily homogeneity - but predictability.